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我正在处理删除按钮上的插件,当我删除任何选定的记录时,也应该删除所有不同的(选定的记录)。如何从表中删除不同的记录并将其删除
在我的情况下,我有一个参加会议的参加者,参加者也有一些讨论点记录和动作项目记录,根据我要删除我的会议参加者的要求,应删除此参加者它有任何讨论点记录和行动项目记录。需要这方面的帮助。
下面是我的代码:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Crm.Sdk.Messages;
namespace SFDSendEmail.SFDDeleteAttendee.Class
{
public class SFDDeleteAttendee : IPlugin
{
Guid Internaluser;
Guid Externaluser;
private IOrganizationService _sdk = null;
public void Execute(IServiceProvider serviceProvider)
{
try
{
// Obtain the execution context from the service provider.
IPluginExecutionContext context = (IPluginExecutionContext)
serviceProvider.GetService(typeof(IPluginExecutionContext));
IOrganizationServiceFactory factory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
_sdk = (IOrganizationService)factory.CreateOrganizationService(context.UserId);
if (context.IsExecutingOffline || context.IsOfflinePlayback)
return;
// The InputParameters collection contains all the data passed
// in the message request.
if (context.InputParameters.Contains("Target") &&
context.InputParameters["Target"] is EntityReference)
{
// EntityReference RequiredAttendee = context.InputParameters["new_requiredattendee"] as EntityReference;
// Entity entity = _sdk.Retrieve("new_requiredattendee", ((EntityReference)RequiredAttendee["new_requiredattendeeid"]).Id, new ColumnSet(true));
// Entity eUser = _sdk.Retrieve(RequiredAttendee.LogicalName, RequiredAttendee.Id, new ColumnSet(true));
EntityReference RequiredAttendee = (EntityReference)context.InputParameters["Target"];
Entity eUser = _sdk.Retrieve(RequiredAttendee.LogicalName, RequiredAttendee.Id, new ColumnSet(true));
if (context.MessageName == "Delete")
{
if (eUser.LogicalName != "new_requiredattendee")
{
return;
}
else
{
//If User Selects the Interner User for Deletion
if (eUser.Attributes.Contains("new_internaluser"))
{
//Save Internal User ID
Internaluser = ((EntityReference)eUser["new_internaluser"]).Id;
//Function to fetch the Meeting Attendee with the Above ID
Guid VerifyAttendee = VerifyMeetingAttendee(eUser,_sdk,Internaluser);
//If its the Meeting Attendee
if (VerifyAttendee != null)
{
//Get the Attendee with its Discussion Point
Guid AttendeewithDp = VerifyDPMeetingAttendee(eUser, _sdk, Internaluser);
if (AttendeewithDp != null)
{
//Get the Attendee with Action item
Guid AttendeewithAI = VerifyAIMeetingAttendee(eUser, _sdk, Internaluser);
if (AttendeewithAI != null)
{
//DO your code here....................................
_sdk.Delete("new_requiredattendee", AttendeewithAI);
}
}
}
}
//If User Selects the Interner User for Deletion
else if (eUser.Attributes.Contains("new_externaluser"))
{
//Save Internal User ID
Externaluser = ((EntityReference)eUser.Attributes["new_externaluser"]).Id;
//Function to fetch the Meeting Attendee with the Above ID
Guid verifyExternalAttendee = VerifyExternalMeetingAttendee(eUser,_sdk,Externaluser);
if (verifyExternalAttendee != null)
{
//Get the Attendee with its Discussion Point
Guid EXAttendeewithDp = VerifyEXDPMeetingAttendee(eUser, _sdk, Externaluser);
if (EXAttendeewithDp != null)
{
//Get the Attendee with Action item
Guid EXAttendeewithAI = VerifyEXAIMeetingAttendee(eUser, _sdk, Externaluser);
if (EXAttendeewithAI != null)
{
//DO your code here....................................
_sdk.Delete("new_requiredattendee", EXAttendeewithAI);
}
}
}
}
}
}
}
}
catch (Exception ex)
{
throw new InvalidPluginExecutionException("An error occurred in the plug-in.", ex);
}
}
//Get Internal Meeting Attendee
public Guid VerifyMeetingAttendee(Entity RequiredAttendee,IOrganizationService _orgService,Guid user)
{
QueryExpression GetMeetingAttendees = new QueryExpression();
GetMeetingAttendees.EntityName = "new_requiredattendee";
GetMeetingAttendees.ColumnSet = new ColumnSet("new_internaluser");
GetMeetingAttendees.Criteria.AddCondition("new_mom", ConditionOperator.Equal, RequiredAttendee["new_mom"]);
GetMeetingAttendees.Criteria.AddCondition("new_internaluser", ConditionOperator.Equal,user);
GetMeetingAttendees.Criteria.AddCondition("new_actionitem", ConditionOperator.Null);
GetMeetingAttendees.Criteria.AddCondition("new_discussionpoint", ConditionOperator.Null);
GetMeetingAttendees.Criteria.AddCondition("new_externaluser", ConditionOperator.Null);
EntityCollection GMA = _orgService.RetrieveMultiple(GetMeetingAttendees);
return (Guid)GMA[0]["new_internaluser"];
}
//Get Internal Meeting Attendee with Discussion Point
public Guid VerifyDPMeetingAttendee(Entity RequiredAttendee, IOrganizationService _orgService, Guid user)
{
QueryExpression GetDPMeetingAttendees = new QueryExpression();
GetDPMeetingAttendees.EntityName = "new_requiredattendee";
GetDPMeetingAttendees.ColumnSet = new ColumnSet("new_internaluser");
GetDPMeetingAttendees.Criteria.AddCondition("new_mom", ConditionOperator.Equal, RequiredAttendee["new_mom"]);
GetDPMeetingAttendees.Criteria.AddCondition("new_internaluser", ConditionOperator.Equal,user);
GetDPMeetingAttendees.Criteria.AddCondition("new_actionitem", ConditionOperator.Null);
GetDPMeetingAttendees.Criteria.AddCondition("new_discussionpoint", ConditionOperator.NotNull);
GetDPMeetingAttendees.Criteria.AddCondition("new_externaluser", ConditionOperator.Null);
EntityCollection GMA = _orgService.RetrieveMultiple(GetDPMeetingAttendees);
return (Guid)GMA[0]["new_internaluser"];
}
//Get Internal Meeting Attendee with Action Items
public Guid VerifyAIMeetingAttendee(Entity RequiredAttendee, IOrganizationService _orgService, Guid user)
{
QueryExpression GetDPMeetingAttendees = new QueryExpression();
GetDPMeetingAttendees.EntityName = "new_requiredattendee";
GetDPMeetingAttendees.ColumnSet = new ColumnSet("new_internaluser");
GetDPMeetingAttendees.Criteria.AddCondition("new_mom", ConditionOperator.Equal, RequiredAttendee["new_mom"]);
GetDPMeetingAttendees.Criteria.AddCondition("new_internaluser", ConditionOperator.Equal,user);
GetDPMeetingAttendees.Criteria.AddCondition("new_actionitem", ConditionOperator.NotNull);
GetDPMeetingAttendees.Criteria.AddCondition("new_externaluser", ConditionOperator.Null);
EntityCollection GMA = _orgService.RetrieveMultiple(GetDPMeetingAttendees);
return (Guid)GMA[0]["new_internaluser"];
}
//Get External Meeting Attendee
public Guid VerifyExternalMeetingAttendee(Entity RequiredAttendee, IOrganizationService _orgService, Guid user)
{
QueryExpression GetMeetingAttendees = new QueryExpression();
GetMeetingAttendees.EntityName = "new_requiredattendee";
GetMeetingAttendees.ColumnSet = new ColumnSet("new_externaluser");
GetMeetingAttendees.Criteria.AddCondition("new_mom", ConditionOperator.Equal, RequiredAttendee["new_mom"]);
GetMeetingAttendees.Criteria.AddCondition("new_externaluser", ConditionOperator.Equal, user);
GetMeetingAttendees.Criteria.AddCondition("new_actionitem", ConditionOperator.Null);
GetMeetingAttendees.Criteria.AddCondition("new_discussionpoint", ConditionOperator.Null);
GetMeetingAttendees.Criteria.AddCondition("new_internaluser", ConditionOperator.Null);
EntityCollection GMA = _orgService.RetrieveMultiple(GetMeetingAttendees);
return (Guid)GMA[0]["new_externaluser"];
}
//Get External Meeting Attendee with Discussion Point
public Guid VerifyEXDPMeetingAttendee(Entity RequiredAttendee, IOrganizationService _orgService, Guid user)
{
QueryExpression GetMeetingAttendees = new QueryExpression();
GetMeetingAttendees.EntityName = "new_requiredattendee";
GetMeetingAttendees.ColumnSet = new ColumnSet("new_externaluser");
GetMeetingAttendees.Criteria.AddCondition("new_mom", ConditionOperator.Equal, RequiredAttendee["new_mom"]);
GetMeetingAttendees.Criteria.AddCondition("new_externaluser", ConditionOperator.Equal, user);
GetMeetingAttendees.Criteria.AddCondition("new_actionitem", ConditionOperator.Null);
GetMeetingAttendees.Criteria.AddCondition("new_discussionpoint", ConditionOperator.NotNull);
GetMeetingAttendees.Criteria.AddCondition("new_internaluser", ConditionOperator.Null);
EntityCollection GMA = _orgService.RetrieveMultiple(GetMeetingAttendees);
return (Guid)GMA[0]["new_externaluser"];
}
//Get External Meeting Attendee with Action Item
public Guid VerifyEXAIMeetingAttendee(Entity RequiredAttendee, IOrganizationService _orgService, Guid user)
{
QueryExpression GetMeetingAttendees = new QueryExpression();
GetMeetingAttendees.EntityName = "new_requiredattendee";
GetMeetingAttendees.ColumnSet = new ColumnSet("new_externaluser");
GetMeetingAttendees.Criteria.AddCondition("new_mom", ConditionOperator.Equal, RequiredAttendee["new_mom"]);
GetMeetingAttendees.Criteria.AddCondition("new_externaluser", ConditionOperator.Equal, user);
GetMeetingAttendees.Criteria.AddCondition("new_actionitem", ConditionOperator.NotNull);
GetMeetingAttendees.Criteria.AddCondition("new_internaluser", ConditionOperator.Null);
EntityCollection GMA = _orgService.RetrieveMultiple(GetMeetingAttendees);
return (Guid)GMA[0]["new_externaluser"];
}
}
}
这段代码是否会抛出某种错误?还是它没有按预期工作? – 2014-10-17 21:38:47
我无法删除记录,代码命中后,sdk.delete其回滚。我不确定,但可能会有一个令人不安的提示。 – 2014-10-18 16:02:38